Refrigerator



H. B. UNDSAY.

REFRIGEHATOR.

APPLlCAl'lON FILED AUG. 9. 1921.

3,437,529, Patented Dec. 5, 1922..

W. 2. jb

31m/um do@ Ham/ely B, Lindsay,

Patented ec. 5, 192.2.

; unirsi) STATES PATENT OFFICE.

HARVEY B. LINDSAY, OF OAKLAND, CALIFORNIA, ASSIGNOR TO THE DRY-ZERO CORFORATION, OF OAKLAND, CALIFORNIA, A CORPORATION OF CALIFORNIA.

REFRIGERATOR;

Application'led August 9, 1921. Serial No. 490,904.

To all whom t may concern:

' Be it known that I, HARVEY B. LINDSAY, a citizen of the United States, residing at Oakland, in the county of Alameda and State of California, have invented certain new and useful Improvements in Refrigerators, of which the following is a specification.

My invention is an improved overhead refrigerator, inv which the cooling med1um is a brine, which is cooled by the ice contained in a hopper. The refrigerators now in use are very heavy, expensive and difficult to manufacture.

In overhead refrigerators particularly if used in truck bodies, wei ht must be one of the first considerations. xcess weight 1s a cause for undue wear on the truck body and frame, and is also extremely dangerous, due to the possibility of overturnlng. I The objectvof my invention therefore 1s to produce a refrigerator very simple in construction and inexpensiveV to manufacture, eflicient in operation and having a low ice consumption.

Since the bottom of the refrigerator 1s the cooling area, itis essential that this be as large as possible, and that the brine be effectively circulated. These objects are effected by means of comparatively shallow extensions, extending from a relatively small hopper or ice container. The upper wall of these extensions -areA inclined upward t0- Wards the hopper, so that the warmed rine is directed thereto, thus circulating the brine and cooling the bottom. Lightness is obtained by the shallowness of the extensions, but eliicienoy is not sacrificed due to the circulation of the brine without mechanical means. Tests show that a cooler following my construction was 5 degrees lower in temv perature than other coolers of this type.

p Referring to the annexed drawing in which my invention is illustrated and which forms a part of this specification:

Figure 1 is a vertical longitudinal section of my refrigerator.

Figure 2 is a plan view of my refrigerator. Fi re 3 is a side elevation of a modified orm of the ice and brine receptacle. 5o In the drawing 1 indicates the body of my refrigeratory and 2 a turret upstanding from the, upper wall of said body. A receptacle 3 is formed with a body land with extensions 5 and 6 at the bottoni and the respective sides of said body, said bodyfitting in the turret 2 and said extensions extending under the upperv wall of the refrigerator body l at the sides of said turret respectively. The upper walls of the extensions 5 and 6 incline upwardly to the receptacle body 4. The body l of the receptacle 3 has a hopper 6 in the top thereof which extends above the turret, through which hopper brine 7 and 1ce 8 are placed in the receptacle. The refrigerator body vhas a door 10 through which articles are placed in the body belowthe receptacle 3 or taken out of the receptacle.

The colder brine being at the bottom of the receptacle 3 will have its temperature raised above that of the body of the brine by the heat of the articles in the refrigerator. This warmed brine will now rise to the top of the receptacle 3 and upwardly along the inclined walls of the extensions to the `ice compartment, being replaced by the colder upper strata of brine. This circulation is continued to lower the temperature of the refrigerator.l v

In the modified form of receptacle 3 shown in Figure 3, the construction isthe same as shown in Figures l and 2 except that the extension 5 is eliminated, leaving only one extension 6. l

Having described my invention, I claim:

1. A refrigerator including a refrigerator body, a turret on the top of said body, a receptacle for ice and brine, said receptacle being formedwith a body fitting in said turret and with elongated extensions at opposite sides of the bottom of said body which extensions extend under and adjacent the top wall of the refrigerator body.

2. A refrigerator including a refrigerator body, a turret on the top of said body, a receptacle for ice and brine, said receptacle being formed with a body fitting in said turret and with elongated extensions at opposite sides of the bottom of said body which extensions extend under and adjacent they top Wall of the refrigerator body, the upper wall of said extensions inclining downwardly from said body.

' 3. A refrigerator including a refrigerator body, a turret on the top of said bodya receptacle .for ice and brine, said receptacle being formed with a body fitting in said 5 turret and With elongated extensions at opposite sides of the bottom of said body which` extensions extend under and adjacent the top Wall of the refrigerator body, the upper Walls of said extensions -inclning downwardly from said body and the lower Walls of said body and said extensions being hori-4 zontal. 4 I,

In testimony whereof I aiix my signature.

HARVEY B. LINDSAY. 

